./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_BER_test3-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51a2f2ad-d102-4156-a9cb-9a4b73f7db47/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51a2f2ad-d102-4156-a9cb-9a4b73f7db47/bin/uautomizer-verify-aQ6SnzHsRB/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51a2f2ad-d102-4156-a9cb-9a4b73f7db47/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51a2f2ad-d102-4156-a9cb-9a4b73f7db47/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_BER_test3-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51a2f2ad-d102-4156-a9cb-9a4b73f7db47/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51a2f2ad-d102-4156-a9cb-9a4b73f7db47/bin/uautomizer-verify-aQ6SnzHsRB --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash eb2eb63835edf753d5a467feb7a4cdd6d105155177d7d0cab8bf29c1b74dbaf6 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-28 03:54:59,514 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-28 03:54:59,623 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51a2f2ad-d102-4156-a9cb-9a4b73f7db47/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-11-28 03:54:59,635 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-28 03:54:59,635 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-28 03:54:59,684 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-28 03:54:59,685 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-28 03:54:59,685 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-28 03:54:59,686 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-28 03:54:59,686 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-28 03:54:59,686 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-28 03:54:59,686 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-28 03:54:59,689 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-28 03:54:59,689 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-28 03:54:59,690 INFO L153 SettingsManager]: * Use SBE=true [2024-11-28 03:54:59,690 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-28 03:54:59,691 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-28 03:54:59,691 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-28 03:54:59,691 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-28 03:54:59,691 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-28 03:54:59,691 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-28 03:54:59,691 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-28 03:54:59,691 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-28 03:54:59,691 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-28 03:54:59,692 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-28 03:54:59,692 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-28 03:54:59,692 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-28 03:54:59,692 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-28 03:54:59,692 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-28 03:54:59,692 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-28 03:54:59,692 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-28 03:54:59,692 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 03:54:59,693 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 03:54:59,694 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 03:54:59,694 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 03:54:59,694 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-28 03:54:59,694 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 03:54:59,694 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 03:54:59,694 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 03:54:59,694 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 03:54:59,694 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-28 03:54:59,695 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-28 03:54:59,695 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-28 03:54:59,695 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-28 03:54:59,695 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-28 03:54:59,696 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-28 03:54:59,696 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-28 03:54:59,696 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-28 03:54:59,696 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-28 03:54:59,696 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-28 03:54:59,696 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51a2f2ad-d102-4156-a9cb-9a4b73f7db47/bin/uautomizer-verify-aQ6SnzHsRB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> eb2eb63835edf753d5a467feb7a4cdd6d105155177d7d0cab8bf29c1b74dbaf6 [2024-11-28 03:55:00,030 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-28 03:55:00,039 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-28 03:55:00,043 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-28 03:55:00,045 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-28 03:55:00,045 INFO L274 PluginConnector]: CDTParser initialized [2024-11-28 03:55:00,046 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51a2f2ad-d102-4156-a9cb-9a4b73f7db47/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/uthash-2.0.2/uthash_BER_test3-1.i [2024-11-28 03:55:03,583 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51a2f2ad-d102-4156-a9cb-9a4b73f7db47/bin/uautomizer-verify-aQ6SnzHsRB/data/aca00114f/8c04deef07924037917ca5394e7e6870/FLAG29c6ddcd9 [2024-11-28 03:55:04,068 INFO L384 CDTParser]: Found 1 translation units. [2024-11-28 03:55:04,069 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51a2f2ad-d102-4156-a9cb-9a4b73f7db47/sv-benchmarks/c/uthash-2.0.2/uthash_BER_test3-1.i [2024-11-28 03:55:04,092 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51a2f2ad-d102-4156-a9cb-9a4b73f7db47/bin/uautomizer-verify-aQ6SnzHsRB/data/aca00114f/8c04deef07924037917ca5394e7e6870/FLAG29c6ddcd9 [2024-11-28 03:55:04,110 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51a2f2ad-d102-4156-a9cb-9a4b73f7db47/bin/uautomizer-verify-aQ6SnzHsRB/data/aca00114f/8c04deef07924037917ca5394e7e6870 [2024-11-28 03:55:04,113 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-28 03:55:04,114 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-28 03:55:04,116 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-28 03:55:04,117 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-28 03:55:04,122 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-28 03:55:04,123 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:55:04" (1/1) ... [2024-11-28 03:55:04,125 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@742f2525 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:55:04, skipping insertion in model container [2024-11-28 03:55:04,125 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:55:04" (1/1) ... [2024-11-28 03:55:04,192 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-28 03:55:05,019 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 03:55:05,034 INFO L200 MainTranslator]: Completed pre-run [2024-11-28 03:55:05,192 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 03:55:05,263 INFO L204 MainTranslator]: Completed translation [2024-11-28 03:55:05,264 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:55:05 WrapperNode [2024-11-28 03:55:05,265 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-28 03:55:05,266 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-28 03:55:05,267 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-28 03:55:05,267 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-28 03:55:05,283 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:55:05" (1/1) ... [2024-11-28 03:55:05,338 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:55:05" (1/1) ... [2024-11-28 03:55:05,435 INFO L138 Inliner]: procedures = 177, calls = 279, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1428 [2024-11-28 03:55:05,436 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-28 03:55:05,437 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-28 03:55:05,437 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-28 03:55:05,437 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-28 03:55:05,454 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:55:05" (1/1) ... [2024-11-28 03:55:05,454 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:55:05" (1/1) ... [2024-11-28 03:55:05,472 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:55:05" (1/1) ... [2024-11-28 03:55:05,630 INFO L175 MemorySlicer]: Split 255 memory accesses to 3 slices as follows [2, 34, 219]. 86 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0, 0]. The 54 writes are split as follows [0, 4, 50]. [2024-11-28 03:55:05,630 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:55:05" (1/1) ... [2024-11-28 03:55:05,630 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:55:05" (1/1) ... [2024-11-28 03:55:05,680 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:55:05" (1/1) ... [2024-11-28 03:55:05,683 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:55:05" (1/1) ... [2024-11-28 03:55:05,700 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:55:05" (1/1) ... [2024-11-28 03:55:05,705 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:55:05" (1/1) ... [2024-11-28 03:55:05,710 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:55:05" (1/1) ... [2024-11-28 03:55:05,721 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-28 03:55:05,722 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-28 03:55:05,722 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-28 03:55:05,723 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-28 03:55:05,724 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:55:05" (1/1) ... [2024-11-28 03:55:05,730 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 03:55:05,748 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51a2f2ad-d102-4156-a9cb-9a4b73f7db47/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:55:05,776 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51a2f2ad-d102-4156-a9cb-9a4b73f7db47/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-28 03:55:05,781 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51a2f2ad-d102-4156-a9cb-9a4b73f7db47/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-28 03:55:05,818 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-11-28 03:55:05,818 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-11-28 03:55:05,818 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-28 03:55:05,819 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-28 03:55:05,819 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-28 03:55:05,820 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-28 03:55:05,820 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-28 03:55:05,820 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-28 03:55:05,821 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-28 03:55:05,821 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-28 03:55:05,821 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0 [2024-11-28 03:55:05,821 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1 [2024-11-28 03:55:05,821 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#2 [2024-11-28 03:55:05,821 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0 [2024-11-28 03:55:05,821 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1 [2024-11-28 03:55:05,823 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#2 [2024-11-28 03:55:05,823 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-28 03:55:05,823 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-28 03:55:05,823 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-28 03:55:05,823 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-28 03:55:05,823 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-28 03:55:05,824 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-28 03:55:05,824 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-28 03:55:05,824 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-28 03:55:05,824 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-28 03:55:05,824 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-28 03:55:05,826 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-28 03:55:05,826 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-28 03:55:05,826 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-28 03:55:05,826 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-28 03:55:05,826 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-28 03:55:06,112 INFO L234 CfgBuilder]: Building ICFG [2024-11-28 03:55:06,114 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-28 03:55:08,458 INFO L? ?]: Removed 333 outVars from TransFormulas that were not future-live. [2024-11-28 03:55:08,458 INFO L283 CfgBuilder]: Performing block encoding [2024-11-28 03:55:08,488 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-28 03:55:08,488 INFO L312 CfgBuilder]: Removed 36 assume(true) statements. [2024-11-28 03:55:08,489 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:55:08 BoogieIcfgContainer [2024-11-28 03:55:08,489 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-28 03:55:08,494 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-28 03:55:08,494 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-28 03:55:08,501 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-28 03:55:08,501 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 03:55:04" (1/3) ... [2024-11-28 03:55:08,502 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@42d47d20 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 03:55:08, skipping insertion in model container [2024-11-28 03:55:08,503 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:55:05" (2/3) ... [2024-11-28 03:55:08,504 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@42d47d20 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 03:55:08, skipping insertion in model container [2024-11-28 03:55:08,505 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:55:08" (3/3) ... [2024-11-28 03:55:08,506 INFO L128 eAbstractionObserver]: Analyzing ICFG uthash_BER_test3-1.i [2024-11-28 03:55:08,527 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-28 03:55:08,531 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG uthash_BER_test3-1.i that has 6 procedures, 443 locations, 1 initial locations, 38 loop locations, and 8 error locations. [2024-11-28 03:55:08,652 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-28 03:55:08,672 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@e2306ad, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-28 03:55:08,672 INFO L334 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2024-11-28 03:55:08,683 INFO L276 IsEmpty]: Start isEmpty. Operand has 435 states, 413 states have (on average 1.6198547215496368) internal successors, (669), 428 states have internal predecessors, (669), 10 states have call successors, (10), 3 states have call predecessors, (10), 3 states have return successors, (10), 6 states have call predecessors, (10), 10 states have call successors, (10) [2024-11-28 03:55:08,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-28 03:55:08,691 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:55:08,691 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:55:08,692 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-28 03:55:08,696 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:55:08,697 INFO L85 PathProgramCache]: Analyzing trace with hash 1000487724, now seen corresponding path program 1 times [2024-11-28 03:55:08,704 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:55:08,704 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1704616123] [2024-11-28 03:55:08,704 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:55:08,705 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:55:08,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-28 03:55:08,858 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [119920130] [2024-11-28 03:55:08,858 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:55:08,859 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:55:08,859 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51a2f2ad-d102-4156-a9cb-9a4b73f7db47/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:55:08,862 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51a2f2ad-d102-4156-a9cb-9a4b73f7db47/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 03:55:08,870 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51a2f2ad-d102-4156-a9cb-9a4b73f7db47/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-28 03:55:09,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:55:09,100 INFO L256 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-28 03:55:09,106 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:55:09,148 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-11-28 03:55:09,213 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 03:55:09,214 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 03:55:09,215 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:55:09,216 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1704616123] [2024-11-28 03:55:09,217 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-28 03:55:09,218 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [119920130] [2024-11-28 03:55:09,219 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [119920130] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:55:09,219 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:55:09,219 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 03:55:09,222 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2016278956] [2024-11-28 03:55:09,223 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:55:09,229 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-28 03:55:09,230 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:55:09,259 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-28 03:55:09,260 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-28 03:55:09,267 INFO L87 Difference]: Start difference. First operand has 435 states, 413 states have (on average 1.6198547215496368) internal successors, (669), 428 states have internal predecessors, (669), 10 states have call successors, (10), 3 states have call predecessors, (10), 3 states have return successors, (10), 6 states have call predecessors, (10), 10 states have call successors, (10) Second operand has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 4 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 03:55:09,735 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:55:09,736 INFO L93 Difference]: Finished difference Result 1282 states and 2057 transitions. [2024-11-28 03:55:09,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-28 03:55:09,739 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 4 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8 [2024-11-28 03:55:09,740 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:55:09,769 INFO L225 Difference]: With dead ends: 1282 [2024-11-28 03:55:09,771 INFO L226 Difference]: Without dead ends: 840 [2024-11-28 03:55:09,779 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-28 03:55:09,784 INFO L435 NwaCegarLoop]: 640 mSDtfsCounter, 578 mSDsluCounter, 1220 mSDsCounter, 0 mSdLazyCounter, 83 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 586 SdHoareTripleChecker+Valid, 1860 SdHoareTripleChecker+Invalid, 86 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 83 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-28 03:55:09,785 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [586 Valid, 1860 Invalid, 86 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 83 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-28 03:55:09,812 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 840 states. [2024-11-28 03:55:09,877 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 840 to 433. [2024-11-28 03:55:09,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 433 states, 415 states have (on average 1.4481927710843374) internal successors, (601), 427 states have internal predecessors, (601), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-28 03:55:09,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 433 states to 433 states and 617 transitions. [2024-11-28 03:55:09,890 INFO L78 Accepts]: Start accepts. Automaton has 433 states and 617 transitions. Word has length 8 [2024-11-28 03:55:09,890 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:55:09,891 INFO L471 AbstractCegarLoop]: Abstraction has 433 states and 617 transitions. [2024-11-28 03:55:09,891 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 4 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 03:55:09,891 INFO L276 IsEmpty]: Start isEmpty. Operand 433 states and 617 transitions. [2024-11-28 03:55:09,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-28 03:55:09,892 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:55:09,892 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:55:09,917 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51a2f2ad-d102-4156-a9cb-9a4b73f7db47/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-11-28 03:55:10,092 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51a2f2ad-d102-4156-a9cb-9a4b73f7db47/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-11-28 03:55:10,093 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-28 03:55:10,094 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:55:10,094 INFO L85 PathProgramCache]: Analyzing trace with hash 1596490443, now seen corresponding path program 1 times [2024-11-28 03:55:10,094 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:55:10,094 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [136295108] [2024-11-28 03:55:10,094 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:55:10,094 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:55:10,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:55:10,413 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 03:55:10,414 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:55:10,414 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [136295108] [2024-11-28 03:55:10,414 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [136295108] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:55:10,417 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:55:10,417 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-28 03:55:10,417 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1600264853] [2024-11-28 03:55:10,417 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:55:10,418 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-28 03:55:10,418 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:55:10,419 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-28 03:55:10,419 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-28 03:55:10,419 INFO L87 Difference]: Start difference. First operand 433 states and 617 transitions. Second operand has 4 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 03:55:10,700 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:55:10,700 INFO L93 Difference]: Finished difference Result 1052 states and 1514 transitions. [2024-11-28 03:55:10,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-28 03:55:10,701 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 11 [2024-11-28 03:55:10,701 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:55:10,710 INFO L225 Difference]: With dead ends: 1052 [2024-11-28 03:55:10,714 INFO L226 Difference]: Without dead ends: 839 [2024-11-28 03:55:10,716 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-28 03:55:10,717 INFO L435 NwaCegarLoop]: 634 mSDtfsCounter, 578 mSDsluCounter, 1211 mSDsCounter, 0 mSdLazyCounter, 72 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 586 SdHoareTripleChecker+Valid, 1845 SdHoareTripleChecker+Invalid, 73 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 72 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-28 03:55:10,721 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [586 Valid, 1845 Invalid, 73 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 72 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-28 03:55:10,723 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 839 states. [2024-11-28 03:55:10,770 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 839 to 433. [2024-11-28 03:55:10,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 433 states, 415 states have (on average 1.4457831325301205) internal successors, (600), 427 states have internal predecessors, (600), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-28 03:55:10,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 433 states to 433 states and 616 transitions. [2024-11-28 03:55:10,783 INFO L78 Accepts]: Start accepts. Automaton has 433 states and 616 transitions. Word has length 11 [2024-11-28 03:55:10,783 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:55:10,783 INFO L471 AbstractCegarLoop]: Abstraction has 433 states and 616 transitions. [2024-11-28 03:55:10,784 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 03:55:10,784 INFO L276 IsEmpty]: Start isEmpty. Operand 433 states and 616 transitions. [2024-11-28 03:55:10,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2024-11-28 03:55:10,789 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:55:10,789 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:55:10,790 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-28 03:55:10,791 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-28 03:55:10,791 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:55:10,792 INFO L85 PathProgramCache]: Analyzing trace with hash -1007752753, now seen corresponding path program 1 times [2024-11-28 03:55:10,792 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:55:10,793 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [159966033] [2024-11-28 03:55:10,793 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:55:10,793 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:55:10,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:55:11,469 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 03:55:11,470 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:55:11,470 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [159966033] [2024-11-28 03:55:11,470 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [159966033] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:55:11,470 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:55:11,470 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-28 03:55:11,470 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1763036406] [2024-11-28 03:55:11,470 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:55:11,471 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-28 03:55:11,471 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:55:11,472 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-28 03:55:11,472 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-28 03:55:11,472 INFO L87 Difference]: Start difference. First operand 433 states and 616 transitions. Second operand has 4 states, 4 states have (on average 20.5) internal successors, (82), 4 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 03:55:11,638 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:55:11,638 INFO L93 Difference]: Finished difference Result 860 states and 1226 transitions. [2024-11-28 03:55:11,639 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-28 03:55:11,639 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 20.5) internal successors, (82), 4 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 82 [2024-11-28 03:55:11,640 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:55:11,644 INFO L225 Difference]: With dead ends: 860 [2024-11-28 03:55:11,646 INFO L226 Difference]: Without dead ends: 436 [2024-11-28 03:55:11,648 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-28 03:55:11,649 INFO L435 NwaCegarLoop]: 581 mSDtfsCounter, 106 mSDsluCounter, 1068 mSDsCounter, 0 mSdLazyCounter, 45 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 106 SdHoareTripleChecker+Valid, 1649 SdHoareTripleChecker+Invalid, 61 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 45 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-28 03:55:11,650 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [106 Valid, 1649 Invalid, 61 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 45 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-28 03:55:11,652 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 436 states. [2024-11-28 03:55:11,676 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 436 to 433. [2024-11-28 03:55:11,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 433 states, 415 states have (on average 1.4289156626506023) internal successors, (593), 427 states have internal predecessors, (593), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-28 03:55:11,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 433 states to 433 states and 609 transitions. [2024-11-28 03:55:11,683 INFO L78 Accepts]: Start accepts. Automaton has 433 states and 609 transitions. Word has length 82 [2024-11-28 03:55:11,683 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:55:11,685 INFO L471 AbstractCegarLoop]: Abstraction has 433 states and 609 transitions. [2024-11-28 03:55:11,686 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 20.5) internal successors, (82), 4 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 03:55:11,686 INFO L276 IsEmpty]: Start isEmpty. Operand 433 states and 609 transitions. [2024-11-28 03:55:11,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2024-11-28 03:55:11,690 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:55:11,691 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:55:11,691 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-28 03:55:11,691 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-28 03:55:11,692 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:55:11,692 INFO L85 PathProgramCache]: Analyzing trace with hash 313503171, now seen corresponding path program 1 times [2024-11-28 03:55:11,692 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:55:11,692 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1422651383] [2024-11-28 03:55:11,692 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:55:11,693 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:55:11,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:55:12,074 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 03:55:12,074 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:55:12,074 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1422651383] [2024-11-28 03:55:12,075 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1422651383] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:55:12,075 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:55:12,075 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 03:55:12,075 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [532392061] [2024-11-28 03:55:12,075 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:55:12,076 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 03:55:12,076 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:55:12,077 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 03:55:12,077 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 03:55:12,077 INFO L87 Difference]: Start difference. First operand 433 states and 609 transitions. Second operand has 3 states, 3 states have (on average 27.333333333333332) internal successors, (82), 3 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 03:55:12,267 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:55:12,267 INFO L93 Difference]: Finished difference Result 1152 states and 1642 transitions. [2024-11-28 03:55:12,268 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 03:55:12,268 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 27.333333333333332) internal successors, (82), 3 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 82 [2024-11-28 03:55:12,268 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:55:12,273 INFO L225 Difference]: With dead ends: 1152 [2024-11-28 03:55:12,273 INFO L226 Difference]: Without dead ends: 728 [2024-11-28 03:55:12,274 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 03:55:12,275 INFO L435 NwaCegarLoop]: 789 mSDtfsCounter, 375 mSDsluCounter, 578 mSDsCounter, 0 mSdLazyCounter, 33 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 375 SdHoareTripleChecker+Valid, 1367 SdHoareTripleChecker+Invalid, 37 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 33 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-28 03:55:12,276 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [375 Valid, 1367 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 33 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-28 03:55:12,278 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 728 states. [2024-11-28 03:55:12,301 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 728 to 724. [2024-11-28 03:55:12,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 724 states, 706 states have (on average 1.4475920679886685) internal successors, (1022), 718 states have internal predecessors, (1022), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-28 03:55:12,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 724 states to 724 states and 1038 transitions. [2024-11-28 03:55:12,309 INFO L78 Accepts]: Start accepts. Automaton has 724 states and 1038 transitions. Word has length 82 [2024-11-28 03:55:12,309 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:55:12,309 INFO L471 AbstractCegarLoop]: Abstraction has 724 states and 1038 transitions. [2024-11-28 03:55:12,310 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 27.333333333333332) internal successors, (82), 3 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 03:55:12,310 INFO L276 IsEmpty]: Start isEmpty. Operand 724 states and 1038 transitions. [2024-11-28 03:55:12,313 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2024-11-28 03:55:12,313 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:55:12,313 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:55:12,314 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-28 03:55:12,314 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-28 03:55:12,314 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:55:12,315 INFO L85 PathProgramCache]: Analyzing trace with hash -202231967, now seen corresponding path program 1 times [2024-11-28 03:55:12,315 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:55:12,315 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [151831912] [2024-11-28 03:55:12,315 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:55:12,315 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:55:12,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:55:13,182 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-28 03:55:13,183 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:55:13,184 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [151831912] [2024-11-28 03:55:13,184 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [151831912] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:55:13,184 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:55:13,184 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 03:55:13,184 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1840895755] [2024-11-28 03:55:13,185 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:55:13,185 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-28 03:55:13,187 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:55:13,188 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-28 03:55:13,188 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-28 03:55:13,189 INFO L87 Difference]: Start difference. First operand 724 states and 1038 transitions. Second operand has 4 states, 3 states have (on average 30.0) internal successors, (90), 4 states have internal predecessors, (90), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-28 03:55:13,438 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:55:13,440 INFO L93 Difference]: Finished difference Result 1033 states and 1475 transitions. [2024-11-28 03:55:13,441 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-28 03:55:13,441 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 30.0) internal successors, (90), 4 states have internal predecessors, (90), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 97 [2024-11-28 03:55:13,442 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:55:13,452 INFO L225 Difference]: With dead ends: 1033 [2024-11-28 03:55:13,452 INFO L226 Difference]: Without dead ends: 1031 [2024-11-28 03:55:13,453 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-28 03:55:13,456 INFO L435 NwaCegarLoop]: 629 mSDtfsCounter, 484 mSDsluCounter, 1198 mSDsCounter, 0 mSdLazyCounter, 73 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 490 SdHoareTripleChecker+Valid, 1827 SdHoareTripleChecker+Invalid, 75 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 73 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-28 03:55:13,457 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [490 Valid, 1827 Invalid, 75 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 73 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-28 03:55:13,463 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1031 states. [2024-11-28 03:55:13,525 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1031 to 790. [2024-11-28 03:55:13,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 790 states, 769 states have (on average 1.433029908972692) internal successors, (1102), 781 states have internal predecessors, (1102), 11 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 7 states have call predecessors, (11), 11 states have call successors, (11) [2024-11-28 03:55:13,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 790 states to 790 states and 1124 transitions. [2024-11-28 03:55:13,535 INFO L78 Accepts]: Start accepts. Automaton has 790 states and 1124 transitions. Word has length 97 [2024-11-28 03:55:13,535 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:55:13,535 INFO L471 AbstractCegarLoop]: Abstraction has 790 states and 1124 transitions. [2024-11-28 03:55:13,536 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 30.0) internal successors, (90), 4 states have internal predecessors, (90), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-28 03:55:13,536 INFO L276 IsEmpty]: Start isEmpty. Operand 790 states and 1124 transitions. [2024-11-28 03:55:13,538 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2024-11-28 03:55:13,538 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:55:13,539 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:55:13,539 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-28 03:55:13,539 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-28 03:55:13,540 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:55:13,540 INFO L85 PathProgramCache]: Analyzing trace with hash 1658172682, now seen corresponding path program 1 times [2024-11-28 03:55:13,540 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:55:13,541 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1494964498] [2024-11-28 03:55:13,541 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:55:13,541 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:55:14,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:55:14,535 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-28 03:55:14,535 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:55:14,535 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1494964498] [2024-11-28 03:55:14,535 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1494964498] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 03:55:14,535 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1386341963] [2024-11-28 03:55:14,537 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:55:14,537 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:55:14,537 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51a2f2ad-d102-4156-a9cb-9a4b73f7db47/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:55:14,539 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51a2f2ad-d102-4156-a9cb-9a4b73f7db47/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 03:55:14,547 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51a2f2ad-d102-4156-a9cb-9a4b73f7db47/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-28 03:55:15,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:55:15,132 INFO L256 TraceCheckSpWp]: Trace formula consists of 612 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-28 03:55:15,138 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:55:15,184 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-28 03:55:15,184 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 03:55:15,185 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1386341963] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:55:15,185 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-28 03:55:15,185 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [4] total 5 [2024-11-28 03:55:15,185 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [620837845] [2024-11-28 03:55:15,185 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:55:15,186 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-28 03:55:15,186 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:55:15,187 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-28 03:55:15,187 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-28 03:55:15,187 INFO L87 Difference]: Start difference. First operand 790 states and 1124 transitions. Second operand has 4 states, 4 states have (on average 25.0) internal successors, (100), 4 states have internal predecessors, (100), 1 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-28 03:55:15,259 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:55:15,259 INFO L93 Difference]: Finished difference Result 1443 states and 2057 transitions. [2024-11-28 03:55:15,260 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-28 03:55:15,260 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 25.0) internal successors, (100), 4 states have internal predecessors, (100), 1 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) Word has length 104 [2024-11-28 03:55:15,262 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:55:15,267 INFO L225 Difference]: With dead ends: 1443 [2024-11-28 03:55:15,268 INFO L226 Difference]: Without dead ends: 793 [2024-11-28 03:55:15,270 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 107 GetRequests, 104 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-28 03:55:15,275 INFO L435 NwaCegarLoop]: 599 mSDtfsCounter, 0 mSDsluCounter, 1194 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1793 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-28 03:55:15,275 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1793 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 03:55:15,277 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 793 states. [2024-11-28 03:55:15,313 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 793 to 793. [2024-11-28 03:55:15,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 793 states, 771 states have (on average 1.4332036316472114) internal successors, (1105), 784 states have internal predecessors, (1105), 11 states have call successors, (11), 2 states have call predecessors, (11), 3 states have return successors, (13), 7 states have call predecessors, (13), 11 states have call successors, (13) [2024-11-28 03:55:15,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 793 states to 793 states and 1129 transitions. [2024-11-28 03:55:15,322 INFO L78 Accepts]: Start accepts. Automaton has 793 states and 1129 transitions. Word has length 104 [2024-11-28 03:55:15,322 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:55:15,323 INFO L471 AbstractCegarLoop]: Abstraction has 793 states and 1129 transitions. [2024-11-28 03:55:15,323 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 25.0) internal successors, (100), 4 states have internal predecessors, (100), 1 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-28 03:55:15,323 INFO L276 IsEmpty]: Start isEmpty. Operand 793 states and 1129 transitions. [2024-11-28 03:55:15,326 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2024-11-28 03:55:15,327 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:55:15,327 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:55:15,342 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51a2f2ad-d102-4156-a9cb-9a4b73f7db47/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-11-28 03:55:15,532 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51a2f2ad-d102-4156-a9cb-9a4b73f7db47/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:55:15,532 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-28 03:55:15,533 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:55:15,533 INFO L85 PathProgramCache]: Analyzing trace with hash 78905228, now seen corresponding path program 1 times [2024-11-28 03:55:15,533 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:55:15,534 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1285804194] [2024-11-28 03:55:15,534 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:55:15,534 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:55:16,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:55:16,732 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 6 proven. 7 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-28 03:55:16,733 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:55:16,733 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1285804194] [2024-11-28 03:55:16,733 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1285804194] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 03:55:16,733 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [306822193] [2024-11-28 03:55:16,733 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:55:16,733 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:55:16,734 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51a2f2ad-d102-4156-a9cb-9a4b73f7db47/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:55:16,737 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51a2f2ad-d102-4156-a9cb-9a4b73f7db47/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 03:55:16,742 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51a2f2ad-d102-4156-a9cb-9a4b73f7db47/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-28 03:55:17,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:55:17,247 INFO L256 TraceCheckSpWp]: Trace formula consists of 642 conjuncts, 31 conjuncts are in the unsatisfiable core [2024-11-28 03:55:17,260 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:55:17,268 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-11-28 03:55:17,300 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-11-28 03:55:17,331 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 11 [2024-11-28 03:55:18,104 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-28 03:55:18,105 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 57 treesize of output 41 [2024-11-28 03:55:18,569 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2024-11-28 03:55:18,570 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 03:55:18,570 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [306822193] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:55:18,570 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-28 03:55:18,571 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [5] total 14 [2024-11-28 03:55:18,571 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1858245126] [2024-11-28 03:55:18,571 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:55:18,571 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-28 03:55:18,572 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:55:18,574 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-28 03:55:18,574 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=148, Unknown=0, NotChecked=0, Total=182 [2024-11-28 03:55:18,574 INFO L87 Difference]: Start difference. First operand 793 states and 1129 transitions. Second operand has 11 states, 11 states have (on average 8.909090909090908) internal successors, (98), 11 states have internal predecessors, (98), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-28 03:55:22,963 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.27s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-28 03:55:25,596 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.12s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-28 03:55:26,154 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:55:26,155 INFO L93 Difference]: Finished difference Result 1791 states and 2552 transitions. [2024-11-28 03:55:26,155 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-28 03:55:26,156 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 8.909090909090908) internal successors, (98), 11 states have internal predecessors, (98), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 106 [2024-11-28 03:55:26,156 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:55:26,162 INFO L225 Difference]: With dead ends: 1791 [2024-11-28 03:55:26,162 INFO L226 Difference]: Without dead ends: 1088 [2024-11-28 03:55:26,164 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 118 GetRequests, 98 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 50 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=94, Invalid=368, Unknown=0, NotChecked=0, Total=462 [2024-11-28 03:55:26,165 INFO L435 NwaCegarLoop]: 580 mSDtfsCounter, 867 mSDsluCounter, 2463 mSDsCounter, 0 mSdLazyCounter, 753 mSolverCounterSat, 8 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 874 SdHoareTripleChecker+Valid, 3043 SdHoareTripleChecker+Invalid, 762 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 753 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.0s IncrementalHoareTripleChecker+Time [2024-11-28 03:55:26,167 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [874 Valid, 3043 Invalid, 762 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 753 Invalid, 1 Unknown, 0 Unchecked, 7.0s Time] [2024-11-28 03:55:26,171 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1088 states. [2024-11-28 03:55:26,225 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1088 to 827. [2024-11-28 03:55:26,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 827 states, 805 states have (on average 1.4260869565217391) internal successors, (1148), 818 states have internal predecessors, (1148), 11 states have call successors, (11), 2 states have call predecessors, (11), 3 states have return successors, (13), 7 states have call predecessors, (13), 11 states have call successors, (13) [2024-11-28 03:55:26,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 827 states to 827 states and 1172 transitions. [2024-11-28 03:55:26,232 INFO L78 Accepts]: Start accepts. Automaton has 827 states and 1172 transitions. Word has length 106 [2024-11-28 03:55:26,233 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:55:26,234 INFO L471 AbstractCegarLoop]: Abstraction has 827 states and 1172 transitions. [2024-11-28 03:55:26,234 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 8.909090909090908) internal successors, (98), 11 states have internal predecessors, (98), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-28 03:55:26,235 INFO L276 IsEmpty]: Start isEmpty. Operand 827 states and 1172 transitions. [2024-11-28 03:55:26,237 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2024-11-28 03:55:26,239 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:55:26,240 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:55:26,261 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51a2f2ad-d102-4156-a9cb-9a4b73f7db47/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-28 03:55:26,440 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51a2f2ad-d102-4156-a9cb-9a4b73f7db47/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2024-11-28 03:55:26,441 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-28 03:55:26,442 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:55:26,445 INFO L85 PathProgramCache]: Analyzing trace with hash 917938890, now seen corresponding path program 1 times [2024-11-28 03:55:26,446 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:55:26,446 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [782896409] [2024-11-28 03:55:26,446 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:55:26,446 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:55:26,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:55:26,670 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2024-11-28 03:55:26,671 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:55:26,671 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [782896409] [2024-11-28 03:55:26,671 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [782896409] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:55:26,671 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:55:26,671 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-28 03:55:26,671 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [261315824] [2024-11-28 03:55:26,671 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:55:26,672 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-28 03:55:26,673 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:55:26,673 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-28 03:55:26,674 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-28 03:55:26,674 INFO L87 Difference]: Start difference. First operand 827 states and 1172 transitions. Second operand has 4 states, 4 states have (on average 24.5) internal successors, (98), 4 states have internal predecessors, (98), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-28 03:55:26,771 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:55:26,771 INFO L93 Difference]: Finished difference Result 1491 states and 2114 transitions. [2024-11-28 03:55:26,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-28 03:55:26,772 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 24.5) internal successors, (98), 4 states have internal predecessors, (98), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 106 [2024-11-28 03:55:26,772 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:55:26,776 INFO L225 Difference]: With dead ends: 1491 [2024-11-28 03:55:26,776 INFO L226 Difference]: Without dead ends: 695 [2024-11-28 03:55:26,777 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-28 03:55:26,778 INFO L435 NwaCegarLoop]: 505 mSDtfsCounter, 9 mSDsluCounter, 991 mSDsCounter, 0 mSdLazyCounter, 38 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 1496 SdHoareTripleChecker+Invalid, 45 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 38 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-28 03:55:26,778 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 1496 Invalid, 45 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 38 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-28 03:55:26,781 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 695 states. [2024-11-28 03:55:26,807 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 695 to 695. [2024-11-28 03:55:26,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 695 states, 673 states have (on average 1.3997028231797919) internal successors, (942), 686 states have internal predecessors, (942), 11 states have call successors, (11), 2 states have call predecessors, (11), 3 states have return successors, (13), 7 states have call predecessors, (13), 11 states have call successors, (13) [2024-11-28 03:55:26,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 695 states to 695 states and 966 transitions. [2024-11-28 03:55:26,814 INFO L78 Accepts]: Start accepts. Automaton has 695 states and 966 transitions. Word has length 106 [2024-11-28 03:55:26,815 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:55:26,815 INFO L471 AbstractCegarLoop]: Abstraction has 695 states and 966 transitions. [2024-11-28 03:55:26,815 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 24.5) internal successors, (98), 4 states have internal predecessors, (98), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-28 03:55:26,815 INFO L276 IsEmpty]: Start isEmpty. Operand 695 states and 966 transitions. [2024-11-28 03:55:26,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2024-11-28 03:55:26,816 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:55:26,817 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:55:26,818 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-28 03:55:26,818 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-28 03:55:26,818 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:55:26,818 INFO L85 PathProgramCache]: Analyzing trace with hash 2097389229, now seen corresponding path program 1 times [2024-11-28 03:55:26,819 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:55:26,819 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1031083207] [2024-11-28 03:55:26,819 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:55:26,819 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:55:27,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:55:27,655 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 6 proven. 7 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-28 03:55:27,655 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:55:27,655 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1031083207] [2024-11-28 03:55:27,655 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1031083207] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 03:55:27,655 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [642689643] [2024-11-28 03:55:27,655 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:55:27,656 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:55:27,656 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51a2f2ad-d102-4156-a9cb-9a4b73f7db47/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:55:27,658 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51a2f2ad-d102-4156-a9cb-9a4b73f7db47/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 03:55:27,663 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51a2f2ad-d102-4156-a9cb-9a4b73f7db47/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-28 03:55:28,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:55:28,193 INFO L256 TraceCheckSpWp]: Trace formula consists of 643 conjuncts, 41 conjuncts are in the unsatisfiable core [2024-11-28 03:55:28,202 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:55:28,211 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-11-28 03:55:28,245 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-11-28 03:55:28,279 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 11 [2024-11-28 03:55:37,196 WARN L286 SmtUtils]: Spent 7.25s on a formula simplification that was a NOOP. DAG size: 23 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-28 03:55:45,206 WARN L286 SmtUtils]: Spent 8.01s on a formula simplification that was a NOOP. DAG size: 23 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-28 03:55:54,734 WARN L286 SmtUtils]: Spent 9.53s on a formula simplification that was a NOOP. DAG size: 13 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-28 03:56:02,746 WARN L286 SmtUtils]: Spent 8.01s on a formula simplification that was a NOOP. DAG size: 22 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-28 03:56:17,501 WARN L286 SmtUtils]: Spent 8.02s on a formula simplification that was a NOOP. DAG size: 23 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-28 03:56:25,510 WARN L286 SmtUtils]: Spent 8.01s on a formula simplification that was a NOOP. DAG size: 22 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-28 03:56:44,789 WARN L286 SmtUtils]: Spent 8.01s on a formula simplification that was a NOOP. DAG size: 23 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-28 03:56:55,872 WARN L286 SmtUtils]: Spent 8.01s on a formula simplification that was a NOOP. DAG size: 9 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-28 03:57:03,888 WARN L286 SmtUtils]: Spent 8.01s on a formula simplification that was a NOOP. DAG size: 9 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-28 03:57:20,243 WARN L286 SmtUtils]: Spent 8.02s on a formula simplification that was a NOOP. DAG size: 23 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-28 03:57:28,259 WARN L286 SmtUtils]: Spent 8.02s on a formula simplification that was a NOOP. DAG size: 22 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-28 03:57:50,456 WARN L286 SmtUtils]: Spent 5.69s on a formula simplification that was a NOOP. DAG size: 22 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-28 03:57:56,856 WARN L286 SmtUtils]: Spent 6.40s on a formula simplification that was a NOOP. DAG size: 9 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-28 03:58:04,879 WARN L286 SmtUtils]: Spent 8.01s on a formula simplification that was a NOOP. DAG size: 9 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-28 03:58:21,658 WARN L286 SmtUtils]: Spent 8.01s on a formula simplification that was a NOOP. DAG size: 23 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-28 03:58:29,670 WARN L286 SmtUtils]: Spent 8.01s on a formula simplification that was a NOOP. DAG size: 22 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-28 03:58:41,696 WARN L286 SmtUtils]: Spent 12.01s on a formula simplification that was a NOOP. DAG size: 23 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-28 03:58:49,706 WARN L286 SmtUtils]: Spent 8.01s on a formula simplification that was a NOOP. DAG size: 9 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-28 03:59:02,830 WARN L286 SmtUtils]: Spent 12.01s on a formula simplification that was a NOOP. DAG size: 21 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-28 03:59:19,681 WARN L286 SmtUtils]: Spent 8.01s on a formula simplification that was a NOOP. DAG size: 23 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-28 03:59:27,690 WARN L286 SmtUtils]: Spent 8.01s on a formula simplification that was a NOOP. DAG size: 22 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-28 03:59:35,702 WARN L286 SmtUtils]: Spent 8.01s on a formula simplification that was a NOOP. DAG size: 9 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-28 03:59:47,401 WARN L286 SmtUtils]: Spent 11.69s on a formula simplification. DAG size of input: 23 DAG size of output: 16 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-28 03:59:59,488 WARN L286 SmtUtils]: Spent 12.01s on a formula simplification that was a NOOP. DAG size: 21 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-28 04:00:16,601 WARN L286 SmtUtils]: Spent 8.97s on a formula simplification that was a NOOP. DAG size: 13 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-28 04:00:24,610 WARN L286 SmtUtils]: Spent 8.01s on a formula simplification that was a NOOP. DAG size: 22 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-28 04:00:32,620 WARN L286 SmtUtils]: Spent 8.01s on a formula simplification that was a NOOP. DAG size: 9 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-28 04:00:40,667 WARN L286 SmtUtils]: Spent 8.02s on a formula simplification that was a NOOP. DAG size: 9 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-28 04:01:08,431 WARN L286 SmtUtils]: Spent 7.06s on a formula simplification that was a NOOP. DAG size: 21 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-28 04:01:17,369 WARN L286 SmtUtils]: Spent 8.02s on a formula simplification that was a NOOP. DAG size: 23 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-28 04:01:28,800 WARN L286 SmtUtils]: Spent 11.43s on a formula simplification that was a NOOP. DAG size: 13 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-28 04:01:36,814 WARN L286 SmtUtils]: Spent 8.01s on a formula simplification that was a NOOP. DAG size: 22 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-28 04:01:44,828 WARN L286 SmtUtils]: Spent 8.01s on a formula simplification that was a NOOP. DAG size: 9 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-28 04:02:00,934 WARN L286 SmtUtils]: Spent 8.01s on a formula simplification that was a NOOP. DAG size: 23 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-28 04:02:06,653 WARN L286 SmtUtils]: Spent 5.72s on a formula simplification that was a NOOP. DAG size: 13 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-28 04:02:14,662 WARN L286 SmtUtils]: Spent 8.01s on a formula simplification that was a NOOP. DAG size: 22 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-28 04:02:22,672 WARN L286 SmtUtils]: Spent 8.01s on a formula simplification that was a NOOP. DAG size: 9 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-28 04:02:39,982 WARN L286 SmtUtils]: Spent 5.13s on a formula simplification that was a NOOP. DAG size: 22 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-28 04:02:56,316 WARN L286 SmtUtils]: Spent 6.72s on a formula simplification that was a NOOP. DAG size: 23 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-28 04:03:11,202 WARN L286 SmtUtils]: Spent 6.20s on a formula simplification that was a NOOP. DAG size: 21 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-28 04:03:19,800 WARN L286 SmtUtils]: Spent 8.02s on a formula simplification that was a NOOP. DAG size: 23 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-28 04:03:29,895 WARN L286 SmtUtils]: Spent 10.09s on a formula simplification that was a NOOP. DAG size: 13 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-28 04:03:36,882 WARN L286 SmtUtils]: Spent 6.99s on a formula simplification that was a NOOP. DAG size: 22 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-28 04:07:45,588 WARN L286 SmtUtils]: Spent 3.55m on a formula simplification. DAG size of input: 90 DAG size of output: 90 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-28 04:07:45,898 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2024-11-28 04:07:45,898 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 04:07:45,898 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [642689643] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:07:45,898 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-28 04:07:45,898 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [5] total 17 [2024-11-28 04:07:45,898 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1454306338] [2024-11-28 04:07:45,898 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:07:45,899 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-28 04:07:45,899 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:07:45,899 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-28 04:07:45,900 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=227, Unknown=3, NotChecked=0, Total=272 [2024-11-28 04:07:45,900 INFO L87 Difference]: Start difference. First operand 695 states and 966 transitions. Second operand has 14 states, 14 states have (on average 7.071428571428571) internal successors, (99), 14 states have internal predecessors, (99), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-28 04:07:56,624 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:07:56,624 INFO L93 Difference]: Finished difference Result 1590 states and 2238 transitions. [2024-11-28 04:07:56,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-28 04:07:56,628 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 7.071428571428571) internal successors, (99), 14 states have internal predecessors, (99), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 107 [2024-11-28 04:07:56,629 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:07:56,636 INFO L225 Difference]: With dead ends: 1590 [2024-11-28 04:07:56,636 INFO L226 Difference]: Without dead ends: 936 [2024-11-28 04:07:56,638 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 119 GetRequests, 96 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 46 ImplicationChecksByTransitivity, 245.7s TimeCoverageRelationStatistics Valid=108, Invalid=489, Unknown=3, NotChecked=0, Total=600 [2024-11-28 04:07:56,640 INFO L435 NwaCegarLoop]: 530 mSDtfsCounter, 580 mSDsluCounter, 4083 mSDsCounter, 0 mSdLazyCounter, 1008 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 587 SdHoareTripleChecker+Valid, 4613 SdHoareTripleChecker+Invalid, 1015 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 1008 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.7s IncrementalHoareTripleChecker+Time [2024-11-28 04:07:56,641 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [587 Valid, 4613 Invalid, 1015 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 1008 Invalid, 0 Unknown, 0 Unchecked, 9.7s Time] [2024-11-28 04:07:56,643 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 936 states. [2024-11-28 04:07:56,676 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 936 to 695. [2024-11-28 04:07:56,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 695 states, 673 states have (on average 1.3967310549777117) internal successors, (940), 686 states have internal predecessors, (940), 11 states have call successors, (11), 2 states have call predecessors, (11), 3 states have return successors, (13), 7 states have call predecessors, (13), 11 states have call successors, (13) [2024-11-28 04:07:56,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 695 states to 695 states and 964 transitions. [2024-11-28 04:07:56,682 INFO L78 Accepts]: Start accepts. Automaton has 695 states and 964 transitions. Word has length 107 [2024-11-28 04:07:56,682 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:07:56,682 INFO L471 AbstractCegarLoop]: Abstraction has 695 states and 964 transitions. [2024-11-28 04:07:56,683 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 7.071428571428571) internal successors, (99), 14 states have internal predecessors, (99), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-28 04:07:56,683 INFO L276 IsEmpty]: Start isEmpty. Operand 695 states and 964 transitions. [2024-11-28 04:07:56,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2024-11-28 04:07:56,684 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:07:56,685 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:07:56,700 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51a2f2ad-d102-4156-a9cb-9a4b73f7db47/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-28 04:07:56,889 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51a2f2ad-d102-4156-a9cb-9a4b73f7db47/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8 [2024-11-28 04:07:56,889 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-28 04:07:56,889 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:07:56,890 INFO L85 PathProgramCache]: Analyzing trace with hash 1484430768, now seen corresponding path program 1 times [2024-11-28 04:07:56,890 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:07:56,890 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2089827734] [2024-11-28 04:07:56,890 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:07:56,890 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:07:57,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:07:57,757 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 6 proven. 7 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-28 04:07:57,758 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:07:57,758 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2089827734] [2024-11-28 04:07:57,758 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2089827734] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 04:07:57,758 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [411494342] [2024-11-28 04:07:57,758 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:07:57,759 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 04:07:57,760 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51a2f2ad-d102-4156-a9cb-9a4b73f7db47/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:07:57,762 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51a2f2ad-d102-4156-a9cb-9a4b73f7db47/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 04:07:57,766 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51a2f2ad-d102-4156-a9cb-9a4b73f7db47/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-28 04:07:58,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:07:58,437 INFO L256 TraceCheckSpWp]: Trace formula consists of 642 conjuncts, 100 conjuncts are in the unsatisfiable core [2024-11-28 04:07:58,448 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:07:58,463 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2024-11-28 04:07:58,901 INFO L349 Elim1Store]: treesize reduction 26, result has 35.0 percent of original size [2024-11-28 04:07:58,901 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 25 treesize of output 29 [2024-11-28 04:07:58,926 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-28 04:07:58,935 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-28 04:07:59,033 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 10 [2024-11-28 04:07:59,298 INFO L349 Elim1Store]: treesize reduction 19, result has 20.8 percent of original size [2024-11-28 04:07:59,299 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 50 treesize of output 45 [2024-11-28 04:07:59,313 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 1 [2024-11-28 04:08:18,091 INFO L224 Elim1Store]: Index analysis took 759 ms